5305-00-078-0178

Find complete technical information, availability, and procurement data for: 5305-00-078-0178
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-078-0178

Item Name Code

16282

Assigment Date

08/11/1967 (59 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.750 inches nominal fastener length, 0.750 inches minimum thread length, right-hand thread direction, flat chamfer head style, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.750 inches minimum
Fastener Length: 0.750 inches nominal
Head Style: flat chamfer
Head Diameter: 0.218 inches minimum and 0.226 inches maximum
Head Height: 0.134 inches minimum and 0.138 inches maximum
Locking Feature: patch or pellet threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.109 inches minimum and 0.111 inches maximum
Thread Quantity Per Inch: 32
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Material: plastic polyamide (nylon) locking feature
Material: steel fastener
Surface Treatment: oxide fastener
Surface Treatment Document And Classification: mil-c-13924,class 3 mil spec single treatment response fastener
Thread Series Designator: unc
Specification/Standard Data: 80205-nas1352 professional/industrial association standard

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
NAS1352-06LB12	Socket Head Cap Screw
NAS1352-06LN12	Socket Head Cap Screw
TN1352-06LN12	Socket Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-078-0178?

The FSCG of the NSN 5305-00-078-0178 is 5305

Does the NSN 5305-00-078-0178 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-078-0178 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-00-078-0178 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-078-0178 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-00-078-0178 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Fri, Aug 11, 1967